Transmission-line support support



- March 3, 1931. w m 1,794,998

TRANSMISSION LINE SUPPQRT Filed Dec. 8, 1925 Fig.1. I 9

INVENTOR flmon Wez'nberyer.

TTORNEY WITNESSES:

Patented Mar. 3, 1931 UNITED STATES PATENT OFFICE ANTON WEINBERGER, OFMUNICH, GERMANY, ASSIGNOR, BY MESNE ASSIGNMENTS, T WESTINGHOUSE ELECTRICdo MANUFACTURING COMPANY, A CORPORATION OF PENNSYLVANIATRANSMISSION-LINE SUPPORT Application filed December 8, 1925, Serial No.74,029,'and in Germany. December 16, 1924.

My invention relates to transmission line supports and particularlytomeans for attaching transmissionconductors to suspension insulators.

One object of my invention is to provide a device of the above-indicatedcharacter that shall greatly facilitate the mounting of atransmission-line conductor.

Another object of my invention is to provide a conductor-supportingdevice that shall comprise a substantially minimum number of parts.

Another object of my invention is to provide a high-voltageconductor-supporting de- 5 vice that shall comprise a novel combinedarcing and conductor-positioning means.

Another object of my invention is to provide a conductor-holding devicein which the holding or gripping force may be readily adjusted.

A further object of my invention is to provide a conductor-supportingdevice that shall be simple and durable in construction, economical tomanufacture and effective in its 26 operation.

In clamps for securing transmission line conductors to the lower ends ofsuspension insulators, it has been usual to provide complementarygrooved clamping-jaw members that fit the conductors and are held inposition by a plurality of bolts.

It has also been usual to provide such clamps with arcing terminals orhorns and V p to employ additional bolts or screws to se cure the hornsin position, thus requiring a relatively large number of small partsthat are diflic-ult to manipulate and which add to the complication andexpense of the device.

It is my aim to materially improve transmission-conductor supports byreducing the number of parts, facilitating their assembly and attachmentto the conductors and rendering them economical, rugged, durable andeffective.

Accordingly, in practicing my invention, I provide a supporting devicein which a member extends along the conductor for a considerabledistance and the conductor, is so bent between the ends and centralportion of the device, andso locked in position, as

not to require the use of bolts and other small loose parts. The ends ofthe member are preferably so shaped as to constitute arcing means, sothat an exceedingly simple combined supporting and arcing structure isprovided.

Figure 1 of the accompanying drawing is a side elevational view of asuspension insulator and conductor-supporting device il-' lustrating oneform of my invention,

Fig. 2 is a view of a portion of the structur; of F ig. 1, taken atright angles thereto, an

Fig. 3 is a view similar to a fragmentary portion of Fig. 1, showing amodified form of my invention.

The device comprises, in general, a main supporting or insulatorstructure comprising a plurality of suspension insulator units 1, of ausual and well-known type and only one of which, comprising a capterminal member 2, a dielectric body 3 and a pin 4, is shown, aball-and-socket, connector 5, and a struc ture 6 of my invention forsupporting a conductor 7.

The device 6 comprises a threaded stud or bolt 9 connected, at its upperend, to the socket member of the ball-and-socket connector 5 andprovided, adjacent to its lower 316d with an adjusting-and-supportingnut A member of substantially bow-shape having an intermediate port-ion11 on the stud 9 has oppositely-projecting portions 12 extendingoutwardly and downwardly there from along the conductor 7 and combinedarcing and conductor-positioning portions 14 engaging the conductor onlyadjacent to the outer ends of the portions 12. i

The portions 14 are each provided with an upwardly projecting arcing orhorn portion 16 connected to the adjacent portion 12 by a reinforcingweb 17 and a downwardly projecting portion 18 of substantiallyhookshape, in end contour, whereby the conductor 7 may be placed thereinfrom the sides thereof. A member 20, similar to a pulley wheel andhaving a curved conductor-receiving seat, is adjustably secured inposition on the stud 9, as by a member 21 in the form of a fork orclevis having an upper portion 22 disposed around the stud 9 over thenut 10 and depending arms 23 between which the member 20 is supported,as by a bolt 24; and a nut 25. In attaching the conductor 7 to thedevice '6, with the member 20 removed, the conductor is placed laterallythrough'the hooks 18, and the member 20 placed in position under theconductor. The member 20 is then moved upwardly on the stud 9 to anydesired position in which it is fixed by the nut 10.

In moving the member 20upwardly, the

conductor 7 is bent between itsportion on the member 20 and its portionsadjacent to the hooks 18 and thereby, placed under clamping tension tohold it in position.

By the above-described construction, the conductor 7 may be clampedlightly but-se curely during mounting to permit-longitudinal adjustmentof the line relative to the device, after which the parts may be quicklymanipulated to hold the conductor in adjusted position. Also, byadjusting the clamping parts, any desired relative movement or playbetween the device and the conductor may be permitted during service,such as to compensate for violent oscillations of the conductor causedby the sudden release of sleet or snow, to prevent damage to the deviceor to the conductor.

As shown in Fig. 3, the member 20 of'Figs. 1 and 2is replaced by amember 27 that is ends for holding the conductor in position.

2. A transmission-line supporting device comprising a suspension memberhaving a portion of substantially bow-shape for movably engaging a lineconductor only adjacent to the ends of the bow, an element co-related toan intermediate portion'of the bow extending transversely thereacross,means on said element outside the bow for supporting the device andmeans on said element inside the bow cooperating with said ends formovably holding the conductor in position.

3. A transmission-line supporting device comprising a suspension memberhaving a portion of substantially bow-shape for engaging a lineconductor only adjacent to the ends of the bow, an element co-related toan intermediate portion of the boweXtending transversely thereacross,means on'said element outside the bow for supporting the device andmeans on said element inside'the bow cooperating with said ends forholding the conductor in position, said latter means being adjustablerelative to the bow;

In testimony whereof, I have hereunto subscribed myname at Munich(Germany) vthis 4th day of November, 1925. V g a t I ANTON WEINBERGER.

preferably of tubular form and having a Y curved conductor seat 28 andan upper portion 29 for supporting the same on the "stud 9 above the nut10. Y

In cross-sectional contour, the member 27 is also preferably ofsubstantially hookshape, similar to the portions 18, wherebytheconductormay similarly be placed therein 7 from the one side.

The member 20 has a curved conductorreceiving seat and is rotatable, andthe seat 28 of the member 27 is curved toavoid sharp bends in theconductor and to permit it to slide through the device with reduced frictional resistance. V I While I have shown and described particular formsof my invention, changes may be 1 efiected therein'without departingfrom the spirit andscope thereof, as set forth in the appended claims.

I claim as my invention: 1. A transmission-line clamping devlcecomprising a suspension member having a portion of substantiallybow-shape for engaging. a line conductor only adjacent to the ends'ofthe bow, a screw-threaded member extending through an intermediateportion of the bow at substantially right angles to the conductor, meanson said screw-threaded member outside the bow for supporting the devlceand means on the screw-threaded member inside the bow cooperating withsaid

